I know you might be thinking this is a bit expensive and that you could get this done by another service provider for less, but have you considered the risk that might be involved. This site is run by a real, legitimate company - I check them out before I ordered.
I can personally state this service is 100% genuine and it works perfectly.
All you need is a little patience and to follow some simple instructions.
I placed my order in the evening and before I woke up an email had been sent to tell me my phone was unlocked.